Headset controller



FIG. 1 is a perspective view of a headset controller;

FIG. 2 is a front view of the headset controller of FIG. 1;

FIG. 3 is a rear view of the headset controller of FIG. 1;

FIG. 4 is a left-side view of the headset controller of FIG. 1;

FIG. 5 is a right-side view of the headset controller of FIG. 1;

FIG. 6 is a top plan view of the headset controller of FIG. 1; and,

FIG. 7 is a bottom plan view of the headset controller of FIG. 1.

The ornamental design for a headset controller, as shown and described.